VulnerabilityAnalyzed
CVE-2021-30186
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
HIGH 7.5EPSS 7.36%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 7.36% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- wago/750-893 firmware · wago/750-891 firmware · wago/750-890 firmware · wago/750-889 firmware · wago/750-885 firmware · wago/750-882 firmware · wago/750-881 firmware · wago/750-880 firmware · wago/750-862 firmware · wago/750-852 firmware · wago/750-832 firmware · wago/750-831 firmware · wago/750-829 firmware · wago/750-8202 firmware · wago/750-8203 firmware · wago/750-8204 firmware · wago/750-8206 firmware · wago/750-8207 firmware · wago/750-8208 firmware · wago/750-8210 firmware · +9 more
- Source
- cve@mitre.org
References
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=Vendor Advisory
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.